Messenger chatbot webview closed event

Asked Jun 21 '18 at 11:02

Active Nov 05 '18 at 05:44

Viewed 586 times

I am building a bot for messenger that supports webviews, and for some reasons, I have to be notified if the webview is closed (the user closes the webview from the close button or back on android).

Does any one knows any way to do it ?

I tried so far the window.onbeforeunload event, it works when I access the webview url directly in browser and try to refresh/close it, but when i access the webview, I can close it without any event fired.

The MessengerExtensions.requestCloseBrowser closes the browser and emit success and error callbacks, it does not fire anything when the user closes the window

It is not an iframe issue, since i tried to put my UI in an iframe, then with a button to change the src of the iframe, i got the event fired.

I am using chatfuel as bot platform, spring boot for my backend, reactjs for my webviews.

Thanks in advance.

asked Jun 21 '18 at 11:02

Incepter

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For people looking for a solution, I ended up setting `websocket`and when the nested page opens, I `subscribe` to some event with some data, then I `unsubscribe` when needed. I catch the close event when the websocket `disconnect` event is fired. – Incepter Jul 02 '18 at 13:27
Were you able to find a better solution for this? – Jay kshatriya Shaktawat Jun 20 '19 at 07:06
Yes, I used websocket – Incepter Jun 20 '19 at 09:50

Messenger chatbot webview closed event

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